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IST
India Standard Time
GMT +5:30
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
MDT
Mountain Daylight Time
GMT -6
Time Difference
India Standard Time is 9 hours and 30 minutes ahead of Eastern Daylight Time and 11 hours and 30 minutes ahead of Mountain Daylight Time and 10 hours and 30 minutes ahead of Central Daylight Time
6:30 pm18:30 in IST is 9:00 am09:00 in EDT and is 7:00 am07:00 in MDT and is 8:00 am08:00 in CDT
IST to EST call time
Best time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in EST
IST to MDT call time
Best time for a conference call or a meeting is between 6:30pm-8:30pm in IST which corresponds to 7am-9am in MDT
IST to CDT call time
Best time for a conference call or a meeting is between 6pm-8pm in IST which corresponds to 7:30am-9:30am in CDT
6:30 pm18:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 am09:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:00 am07:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
8:00 am08:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
6:30 pm18:30 IST / 9:00 am09:00 EDT / 7:00 am07:00 MDT / 8:00 am08:00 CDT
| IST | EDT | MDT | CDT |
|---|---|---|---|
| 12am (midnight) | 2:30 pm | 12:30 pm | 1:30 pm |
| 1am | 3:30 pm | 1:30 pm | 2:30 pm |
| 2am | 4:30 pm | 2:30 pm | 3:30 pm |
| 3am | 5:30 pm | 3:30 pm | 4:30 pm |
| 4am | 6:30 pm | 4:30 pm | 5:30 pm |
| 5am | 7:30 pm | 5:30 pm | 6:30 pm |
| 6am | 8:30 pm | 6:30 pm | 7:30 pm |
| 7am | 9:30 pm | 7:30 pm | 8:30 pm |
| 8am | 10:30 pm | 8:30 pm | 9:30 pm |
| 9am | 11:30 pm | 9:30 pm | 10:30 pm |
| 10am | 12:30 am | 10:30 pm | 11:30 pm |
| 11am | 1:30 am | 11:30 pm | 12:30 am |
| 12pm (noon) | 2:30 am | 12:30 am | 1:30 am |
| 1pm | 3:30 am | 1:30 am | 2:30 am |
| 2pm | 4:30 am | 2:30 am | 3:30 am |
| 3pm | 5:30 am | 3:30 am | 4:30 am |
| 4pm | 6:30 am | 4:30 am | 5:30 am |
| 5pm | 7:30 am | 5:30 am | 6:30 am |
| 6pm | 8:30 am | 6:30 am | 7:30 am |
| 7pm | 9:30 am | 7:30 am | 8:30 am |
| 8pm | 10:30 am | 8:30 am | 9:30 am |
| 9pm | 11:30 am | 9:30 am | 10:30 am |
| 10pm | 12:30 pm | 10:30 am | 11:30 am |
| 11pm | 1:30 pm | 11:30 am | 12:30 pm |
| 0:00 | 14:30 | 12:30 | 13:30 |
| 1:00 | 15:30 | 13:30 | 14:30 |
| 2:00 | 16:30 | 14:30 | 15:30 |
| 3:00 | 17:30 | 15:30 | 16:30 |
| 4:00 | 18:30 | 16:30 | 17:30 |
| 5:00 | 19:30 | 17:30 | 18:30 |
| 6:00 | 20:30 | 18:30 | 19:30 |
| 7:00 | 21:30 | 19:30 | 20:30 |
| 8:00 | 22:30 | 20:30 | 21:30 |
| 9:00 | 23:30 | 21:30 | 22:30 |
| 10:00 | 0:30 | 22:30 | 23:30 |
| 11:00 | 1:30 | 23:30 | 0:30 |
| 12:00 | 2:30 | 0:30 | 1:30 |
| 13:00 | 3:30 | 1:30 | 2:30 |
| 14:00 | 4:30 | 2:30 | 3:30 |
| 15:00 | 5:30 | 3:30 | 4:30 |
| 16:00 | 6:30 | 4:30 | 5:30 |
| 17:00 | 7:30 | 5:30 | 6:30 |
| 18:00 | 8:30 | 6:30 | 7:30 |
| 19:00 | 9:30 | 7:30 | 8:30 |
| 20:00 | 10:30 | 8:30 | 9:30 |
| 21:00 | 11:30 | 9:30 | 10:30 |
| 22:00 | 12:30 | 10:30 | 11:30 |
| 23:00 | 13:30 | 11:30 | 12:30 |
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same
IST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- +0530 - basic
- +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- Asia/Calcutta
- Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2
- Iran Standard Time - UTC +3:30
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) has ended on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.
EST representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
Mountain Daylight Time
Offset: MDT is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the MDT timezone is Calgary from Canada with population about 1.02 million people. Other major cities in the area are Edmonton, El Paso, Denver, Albuquerque
French: HAR - Heure Avancée des Rocheuses
Spanish: MT - Zona Pacífico
Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Mountain Standard Time (MST).
Start: Mountain Daylight Time (MDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Mountain Daylight Time (MDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
MDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -06 - basic short
- -0600 - basic
- -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Sierra - Military abbreviation for MDT
- S - short form of 'Sierra'
IANA/Olson: Reflects MDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Boise
- America/Cambridge_Bay
- America/Ciudad_Juarez
- America/Denver
- America/Edmonton
- America/Inuvik
- America/Shiprock
- America/Yellowknife
- Canada/Mountain
- MST7MDT
- Navajo
- US/Mountain
Time zones with the GMT -6 offset:
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started on Sunday, March 10, 2024 at 2:00 am local time and clocks were set one hour forward to Sunday, March 10, 2024, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 3, 2024 at 2:00 am local time and clocks are set one hour back to Sunday, November 3, 2024, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
CDT representations, usage and related time zones
W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
- -05 - basic short
- -0500 - basic
- -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo Time Zone
EST to IST GMT to EST PST to EST EST to GMT PST to GMT
